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Finding the Fourth Proportional to 63.36, 95.15 and 58.63

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Solution

The fourth proportional to 63.36, 95.15 and 58.63 is: 88.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.36 : 95.15 = 58.63 : x
  2. Step 2: Convert to fraction form
    63.36/95.15 = 58.63/x
  3. Step 3: Cross multiply
    63.36x = 95.15 × 58.63
  4. Step 4: Simplify right side
    63.36x = 5,577.88
  5. Step 5: Solve for x
    x = 5,577.88/63.36
  6. Step 6: Final answer
    x = 88.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.